70648208 has 10 divisors (see below), whose sum is σ = 136880934. Its totient is φ = 35324096.

The previous prime is 70648139. The next prime is 70648211. The reversal of 70648208 is 80284607.

It can be written as a sum of positive squares in only one way, i.e., 67436944 + 3211264 = 8212^2 + 1792^2 .

It is a super-2 number, since 2×70648208² = 9982338587222528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2207741 + ... + 2207772.

Almost surely, 2^70648208 is an apocalyptic number.

It is an amenable number.

70648208 is a deficient number, since it is larger than the sum of its proper divisors (66232726).

70648208 is a wasteful number, since it uses less digits than its factorization.

70648208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415521 (or 4415515 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 70648208 is about 8405.2488362927. The cubic root of 70648208 is about 413.3967424976.

The spelling of 70648208 in words is "seventy million, six hundred forty-eight thousand, two hundred eight".